{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "DNA", "cell line", "RNA"], "input": "A novel T cell-specific negative regulatory element ( NRE ) composed of two protein-binding sites were mapped in the 5' flanking region of the IL-4 gene : -311CTCCCTTCT-303 ( NRE-I ) and -288CTTTTTGCTT-TGC-300 ( NRE-II )."}
{"cell type": [], "protein": [], "DNA": ["novel T cell-specific negative regulatory element", "NRE", "IL-4 gene", "NRE-I", "NRE-II"], "cell line": [], "RNA": []}